1164151662217 has 2 divisors, whose sum is σ = 1164151662218. Its totient is φ = 1164151662216.

The previous prime is 1164151662137. The next prime is 1164151662283. The reversal of 1164151662217 is 7122661514611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1029289382521 + 134862279696 = 1014539^2 + 367236^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164151662217 - 2¹¹ = 1164151660169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1164151662917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582075831108 + 582075831109.

It is an arithmetic number, because the mean of its divisors is an integer number (582075831109).

Almost surely, 2^{1164151662217} is an apocalyptic number.

It is an amenable number.

1164151662217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164151662217 is an equidigital number, since it uses as much as digits as its factorization.

1164151662217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The spelling of 1164151662217 in words is "one trillion, one hundred sixty-four billion, one hundred fifty-one million, six hundred sixty-two thousand, two hundred seventeen".